About us

Electricity harvested from the sun, produced without moving parts, noise or pollution. Clean energy. A good future. For our planet. For your children. For you. For all of us.

The NES company specializes in the production of products that utilize alternative sources of energy and protect the environment.

SUNSYSTEM Photovoltaics is a division of NES company, engaged in engineering, equipment supply and construction of photovoltaic parks.

The SUNSYSTEM brand is recognizable and preferred by customers in over 70 countries on 5 continents. Almost 90% of the products are intended for export.

500 highly qualified specialists

“NES” Ltd. has its own warehouse and commercial bases in Shumen, Sofia and Leipzig. More than 500 highly qualified specialists work in the company’s factories.

Base on an area of 20,000 m²

NES has administrative, production and warehouse premises with a total area of 20,000 m²

ISO 9001:2008 quality management system

The quality of each product, as well as the production processes, are strictly monitored according to the ISO 9001:2015 quality management system.


NES is the first manufacturer of solar thermal products in Bulgaria and is the market leader in this segment. The company’s product portfolio includes:

  • Solar collectors SUNSYSTEM
  • Photovoltaic modules
  • Design, delivery and construction of photovoltaic parks